135454144550 has 48 divisors (see below), whose sum is σ = 255895474320. Its totient is φ = 53333237760.

The previous prime is 135454144549. The next prime is 135454144561. The reversal of 135454144550 is 55441454531.

It is a junction number, because it is equal to n+sod(n) for n = 135454144498 and 135454144507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4705802 + ... + 4734498.

It is an arithmetic number, because the mean of its divisors is an integer number (5331155715).

Almost surely, 2^135454144550 is an apocalyptic number.

135454144550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135454144550 is a deficient number, since it is larger than the sum of its proper divisors (120441329770).

135454144550 is a wasteful number, since it uses less digits than its factorization.

135454144550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30185 (or 30180 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 135454144550 in words is "one hundred thirty-five billion, four hundred fifty-four million, one hundred forty-four thousand, five hundred fifty".